KR100292095B1 - 선택적침전에의한공업용염화철용액의정제방법 - Google Patents

선택적침전에의한공업용염화철용액의정제방법 Download PDF

Info

Publication number
KR100292095B1
KR100292095B1 KR1019930028813A KR930028813A KR100292095B1 KR 100292095 B1 KR100292095 B1 KR 100292095B1 KR 1019930028813 A KR1019930028813 A KR 1019930028813A KR 930028813 A KR930028813 A KR 930028813A KR 100292095 B1 KR100292095 B1 KR 100292095B1
Authority
KR
South Korea
Prior art keywords
iron
neutralizing agent
solution
chloride
chloride solution
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
KR1019930028813A
Other languages
English (en)
Korean (ko)
Other versions
KR940014164A (ko
Inventor
아힘하르트만
디터쉰키츠
울리히로테
Original Assignee
에베르트하르트게르트너,게르하르트회퍼
크로노스티탄-게엠베하
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 에베르트하르트게르트너,게르하르트회퍼, 크로노스티탄-게엠베하 filed Critical 에베르트하르트게르트너,게르하르트회퍼
Publication of KR940014164A publication Critical patent/KR940014164A/ko
Application granted granted Critical
Publication of KR100292095B1 publication Critical patent/KR100292095B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/10—Halides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/911—Cumulative poison
    • Y10S210/912—Heavy metal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Processing Of Solid Wastes (AREA)
  • Removal Of Specific Substances (AREA)
  • Compounds Of Iron (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
KR1019930028813A 1992-12-22 1993-12-21 선택적침전에의한공업용염화철용액의정제방법 Expired - Fee Related KR100292095B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4243559A DE4243559A1 (de) 1992-12-22 1992-12-22 Verfahren zur Reinigung einer technischen Eisenchloridlösung durch selektive Fällung
DEP4243559.5 1992-12-22

Publications (2)

Publication Number Publication Date
KR940014164A KR940014164A (ko) 1994-07-16
KR100292095B1 true KR100292095B1 (ko) 2001-09-17

Family

ID=6476177

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930028813A Expired - Fee Related KR100292095B1 (ko) 1992-12-22 1993-12-21 선택적침전에의한공업용염화철용액의정제방법

Country Status (7)

Country Link
US (1) US5407650A (enrdf_load_html_response)
EP (1) EP0604817B1 (enrdf_load_html_response)
KR (1) KR100292095B1 (enrdf_load_html_response)
AU (1) AU658081B2 (enrdf_load_html_response)
CA (1) CA2112076C (enrdf_load_html_response)
DE (2) DE4243559A1 (enrdf_load_html_response)
TW (1) TW237391B (enrdf_load_html_response)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5518633A (en) * 1994-10-21 1996-05-21 E. I. Du Pont De Nemours And Company Process for treating aqueous media containing metal ions
US6607651B2 (en) 1998-09-10 2003-08-19 Cws Parts Company Process and system for treating the discharge stream from an ion exchanger
RU2172358C2 (ru) * 1999-11-23 2001-08-20 Сирина Татьяна Петровна Способ переработки марганецсодержащих материалов
DE10022867A1 (de) * 2000-05-10 2001-11-22 Kronos Titan Gmbh & Co Ohg Verfahren zum Entfernen von Nickel- und Bleiionen aus Eisensalzlösungen
US20030209449A1 (en) * 2001-01-23 2003-11-13 Cws Parts Company Process and system for treating the discharge stream from an ion exchanger
US6800260B2 (en) * 2002-02-11 2004-10-05 Millennium Inorganic Chemicals, Inc. Processes for treating iron-containing waste streams
DE10346339A1 (de) * 2003-10-06 2005-05-04 Kerr Mcgee Pigments Gmbh Verfahren zur Aufarbeitung von Metallchloridrückständen
US20080102007A1 (en) * 2006-10-26 2008-05-01 Melville Jason P Process for treating iron-containing waste streams
US8182779B2 (en) 2009-04-21 2012-05-22 E. I. Du Pont De Nemours And Company Process for removing phosphorus-containing colloids and their precursors from iron chloride solutions
US8287738B2 (en) * 2009-04-21 2012-10-16 E I Du Pont De Nemours And Company Process for removing impurities from iron chloride solutions
CA2824034C (en) * 2011-01-06 2018-08-07 Kemira Oyj Process for the purification of iron salt solutions
DE102011106750A1 (de) 2011-06-28 2013-01-03 Kronos International Inc. Verfahren zur Abtrennung von höherwertigen Metallionen aus technischen Eisenchloridlösungen
DE102011106864B4 (de) 2011-06-28 2013-06-20 Kronos International, Inc. Verfahren zur selektiven Abtrennung von Vanadium aus Rückständen der Titandioxidherstellung (Chloridverfahren)
DE102019200832A1 (de) 2019-01-24 2020-07-30 MTU Aero Engines AG VERFAHREN ZUM ENTFERNEN VON Cr(VI)-IONEN AUS EINER WÄSSRIGEN ELEKTROLYTLÖSUNG

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE754202A (fr) * 1969-07-31 1970-12-31 Titangesellschaft Mbg Procede pour extraire le fer de minerais titaniferes
US3655344A (en) * 1969-09-02 1972-04-11 Ppg Industries Inc Treatment of titanium tetrachloride drier residue
US3617562A (en) * 1970-05-08 1971-11-02 Allen Cywin Neutralization of ferrous iron-containing acid wastes
JPS4811478B1 (enrdf_load_html_response) * 1970-12-24 1973-04-13
US3867515A (en) * 1971-04-01 1975-02-18 Ppg Industries Inc Treatment of titanium tetrachloride dryer residue
JPS4926199A (enrdf_load_html_response) * 1972-07-03 1974-03-08
SU676559A1 (ru) * 1976-03-15 1979-07-30 Березниковский Филиал Всесоюзного Научно-Исследовательского И Проектного Института Алюминиевой Магниевой И Электродной Промышленности Способ получени гидроокиси хрома
JPS5492594A (en) * 1977-12-29 1979-07-21 Daikin Ind Ltd Removing method for heavy metals in aqueous solution of ferrous chloride
NL8303557A (nl) * 1983-10-17 1985-05-17 Dhv Raadgevend Ing Werkwijze voor de verwijdering van zware metalen uit afvalwater.
US4579721A (en) * 1984-08-03 1986-04-01 Getty Oil Company Process for recovering metals from waste
US4540551A (en) * 1984-08-08 1985-09-10 Scm Corporation Two stage chlorination of titaniferous ore with FeCl3 reclamation
US4765908A (en) * 1985-02-04 1988-08-23 Barbara Monick Process and composition for removing contaminants from wastewater
JPH0712936B2 (ja) * 1986-10-30 1995-02-15 荏原インフイルコ株式会社 高純度含水酸化鉄の製造方法
JPS6430694A (en) * 1987-07-27 1989-02-01 Nippon Steel Corp Treatment of waste steel pickling solution
JPH01293187A (ja) * 1988-05-23 1989-11-27 Mitsubishi Heavy Ind Ltd 化学洗浄廃液の処理方法
GB8907163D0 (en) * 1989-03-30 1989-05-10 Shell Int Research A process of treating metal chloride wastes
DE4130808C2 (de) * 1991-09-17 1998-02-19 Kronos Titan Gmbh Verfahren zum Erhöhen der Reinheit von technischem Eisenchlorid

Also Published As

Publication number Publication date
EP0604817A1 (de) 1994-07-06
AU5206593A (en) 1994-07-07
DE59302604D1 (de) 1996-06-20
US5407650A (en) 1995-04-18
KR940014164A (ko) 1994-07-16
AU658081B2 (en) 1995-03-30
EP0604817B1 (de) 1996-05-15
TW237391B (enrdf_load_html_response) 1995-01-01
CA2112076C (en) 1999-05-11
DE4243559A1 (de) 1994-06-23
CA2112076A1 (en) 1994-06-23

Similar Documents

Publication Publication Date Title
KR100292095B1 (ko) 선택적침전에의한공업용염화철용액의정제방법
US6113868A (en) Process for treating tungstate solutions to reduce molybdenum impurity and other impurity content
EP0993419B1 (en) A process for producing an aqueous solution comprising ferric chloride
US5089242A (en) Method for selectively separating a non-ferrous metal
US4087359A (en) Process for removing mercury and mercury salts from liquid effluents
JPH02285038A (ja) 金属塩化物廃物の処理方法
US6827860B2 (en) Method for eliminating nickel ions and lead ions from ferrous salt solutions
US7537749B2 (en) Method for processing iron-laden spent sulfuric acid
WO2005068358A1 (en) Production of 'useful material(s)' from waste acid issued from the production of titanium dioxyde
JP4208971B2 (ja) モリブデンエポキシ化触媒の回収
KR19990067249A (ko) 황 화합물을 함유하고 있는 중금속 제거제
US20020195396A1 (en) Agent for removing heavy metals comprising a sulphur compound
US4006080A (en) Process for the treatment of acidic waste liquid containing dissolved salts
JP2000511865A (ja) 工業用塩化ナトリウム水溶液を製造する方法
US4229399A (en) Process for pelletizing and neutralizing solid mixtures of metal chlorides
US5585077A (en) Molybdenum epoxidation catalyst recovery
US5334362A (en) Process for the production of disposable products from metal chlorides in a titanium dioxide chloride process
JPH035324A (ja) フェライト原料用酸化鉄の製造方法
JP2531695B2 (ja) 有価物質の回収方法
JPH0388824A (ja) ポリエーテル類の精製法
JPS61163108A (ja) 希土類リン酸塩含有鉱石の処理方法
JP3972996B2 (ja) 第１鉄含有溶液の精製方法
JPH0264025A (ja) 硫酸第一鉄水溶液の精製方法

Legal Events

Date Code Title Description
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

A201 Request for examination
P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

G170 Re-publication after modification of scope of protection [patent]
PG1701 Publication of correction

St.27 status event code: A-5-5-P10-P19-oth-PG1701

Patent document republication publication date: 20011017

Republication note text: Request for Correction Notice

Gazette number: 1002920950000

Gazette reference publication date: 20010917

FPAY Annual fee payment

Payment date: 20040322

Year of fee payment: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20050321

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20050321

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000